Science News - The Hindu

Kerala floods: The team studied water inundation maps from 2015, and their analysis was clearly able to show the areas submerged in water in 2018.

Using cloud computing for better flood inundation mapping

Researchers have developed a tool for a near real-time mapping of flood extent

Dr. Gagandeep Kang

‘Human challenge trials will help us design better treatments, vaccines than we can now’

Familiar habitats: The western burrowing frog was fiirst dentified in 2017 from populations in Gujarat, Maharashtra and Karnataka.

Field study adds five amphibians to Madhya Pradesh’s fauna list

Shubashree Desikan The group recorded advertisement calls of the western burrowing frog

Optimising safety: While masks can cut transmission risk, the absence of physical distancing may increase the risk of virus spread.

Studies document in-flight transmission of coronavirus

R. Prasad The most likely route is aerosol or droplet transmission

Editor's Pick

This artistic illustration depicts the Venusian surface and atmosphere, as well as phosphine molecules. Photo: ESO via Reuters

The Hindu Explains | What does the detected presence of phosphine on Venus mean?

Shubashree Desikan Why is phosphine gas considered a biomarker of life? Have astronomers found definite signs of life?

Question corner | Is the Moon rusting?

Readers may send their questions to questioncorner@thehindu.co.in

Evidence: Hypothalamic temperature remained high despite 12 hours of recovery sleep.

Lack of sleep can affect body, brain

Aswathi Pacha Temperatures of cortical and hypothalamus regions rose in sleep-deprived rats

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Watch | A coffin made of mushrooms

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Question corner | How do animals adapt when seasons change?

Field study adds five amphibians to Madhya Pradesh’s fauna list

‘Human challenge trials will help us design better treatments, vaccines than we can now’

Studies document in-flight transmission of coronavirus

Using cloud computing for better flood inundation mapping

Experimental study finds how coronavirus can spread while speaking

New measurements show moon has hazardous radiation levels

Humans are not really made for these radiation levels and should protect themselves when on the moon

Nuclear scientist Sekhar Basu dies of COVID-19

Veteran atomic scientist and former chairman of Atomic Energy Commission Dr. Sekhar Basu succumbed to COVID-19 early on Thursday at a private

Study finds over 12% of pregnant women in Maharashtra infected with coronavirus

Nearly one in 10 pregnant women did not show any symptoms at the time of presenting in hospital

Johnson & Johnson kicks off study of single-shot COVID-19 vaccine

The company expects results of the Phase III trial by year end or early next year.

Watch | A coffin made of mushrooms

A video on the "living coffin" invented by Bob Hendrikx

Bharat Biotech to collaborate with Washington University School of Medicine on COVID-19 nasal vaccine

According to a press release issued by the Hyderabad-based vaccine maker, it owns the rights to distribute the vaccine in all markets except the US, Japan and Europe.

Watch | All about Russia’s Sputnik V vaccine

A video explainer on Russia’s COVID-19 vaccine candidate Sputnik V

CDC says revised guidance on coronavirus spread posted in error, removes it

The guidance now states that “droplets can land on the mouths or noses of people nearby or possibly inhaled into the lungs”.

CDC acknowledges aerosols as ‘main way’ of coronavirus spread

Droplets and airborne particles can travel distances beyond six feet, it says

Coronavirus | ICMR completes second sero-survey

The first survey was conducted in May across 400 districts to gauge the spread of infection

The Hindu Explains | What does the detected presence of phosphine on Venus mean?

Why is phosphine gas considered a biomarker of life? Have astronomers found definite signs of life?

Question corner | Is the Moon rusting?

Readers may send their questions to questioncorner@thehindu.co.in

Tracking cases through sewage analysis

Viral RNA monitoring of wastewater is useful for SARS-CoV-2 surveillance

Protection against SARS-CoV-2 may be short-lived

Since reinfection can occur, the only safe and effective way to achieve herd immunity may be through vaccination

Another look at groundbreaking inventions in ICT

From Internet to Deep Learning, the book looks at life-altering inventions

Lack of sleep can affect body, brain

Temperatures of cortical and hypothalamus regions rose in sleep-deprived rats

Detecting fake Scotch Whisky, without opening the bottle

Scotch whisky can be very expensive. While testing for suspected fraud or adulteration of such pricey drinks, contactless sensing without opening the bottles would be preferable.

Scientists use Indian Ocean earthquake data to tell how fast it is warming

By one estimate, the scientists said the ocean could be warming by nearly 70% greater than had been believed.

Watch | Kamikatsu: The zero-waste town in Japan

A video on Kamikatsu, Japan’s first zero-waste municipality

Watch | Scientists discover possible sign of life on Venus

A video on the recent discovery of the presence of phosphine gas in the atmosphere of Venus

Catch this virtual space exhibition

The virtual exhibition ‘ISRO & CNES: A Common History’ presents glimpses of collaboration between India and France in the 1960s and 70s

Potential sign of alien life detected on inhospitable Venus

The researchers did not discover actual life forms, but noted that on Earth phosphine is produced by bacteria thriving in oxygen-starved environments

Science behind air-breathing scramjet engine

This indigenous engine is the centrepiece of the cruise vehicle flown by DRDO

Low-cost device for deep vein thrombosis

It replicates the normal movement of the muscles to keep the blood flowing

Question Corner | How do shaving blades become dull after repeated use?

Readers may send their questions to questioncorner@thehindu.co.in

Can universal masking be a crude ‘vaccine’?

Masks decrease risk of infection and if infected decrease the amount of viral particles, leading to only asymptomatic infection or mild disease

A keen look at groundbreaking inventions in ICT

Many of these inventions in information and communication technology have occurred in the last 55 years

Story of an asteroid that hit Rajasthan millions of years ago

The resultant craters of such impacts could be sources of hydrocarbon and mineral deposits

Coronavirus | Serum Institute pauses COVID-19 vaccine trials

COVID-19 vaccine trials were stopped globally after a recipient in U.K. showed adverse symptoms

U.S. spacecraft named after late Indian-American astronaut Kalpana Chawla

“Chawla was selected in honour of her prominent place in history as the first woman of Indian descent to go to space,” it said.

Coronavirus: Plasma therapy not beneficial in reducing mortality, shows ICMR study

According to the study, only two randomised controlled trials on convalescent plasma use in COVID-19 have been published, one from China and the other from the Netherlands.

Coronavirus | Scientists alert The Lancet to ‘potential data inconsistencies’ in Russian vaccine trial paper

Questions on the integrity of published data raised in open letter

SpaceX says Starlink internet private beta testing speeds are over 100 Mbps

SpaceX says Starlink can provide high speed, low latency internet in remote areas where connectivity is limited or completely unavailable, including on aeroplanes and ships.

Moon may be rusting along poles, suggest images sent by Chandrayaan-1

Presence of water and oxygen, which the moon is not known to have, is needed to interact with iron to create rust

Electronic skin can sense touch, pain just like human skin

The researchers say that the device is capable of mimicking body’s quick response to things, and can react to painful sensations with the same lighting speed that nerve signals travel to the brain.

Smoking tied to COVID-19 risk

Smoking appears to increase the genetic contribution to COVID-19 infections, a small study suggests. The novel coronavirus enters the body by

Inhaling polluted air can lead to brain damage

Mice exposed to dirty air formed amyloid deposits and tangles in the brains

Question Corner | Do many small birds have big brains?

Many small birds have been noted to have larger relative brain sizes. This help them survive harsh seasonal changes and unpredictable habitats.Using

No correlation between Ct values and COVID-19 severity

Cycle threshold values can depend on how the sample was collected and even the technical competence of the person performing the test

A single person spreads coronavirus to 23 others in a bus ride

Unlock 4 guidelines, by allowing metrorail service, may worsen risk of infections

How African Sahara amplified a drought in Asia

Mineral deposits of caves in Vietnam, point to the end of the Green Sahara

Watch | Is COVID-19 intensifying in rural India?

A video explainer on how rural India is affected as India's COVID-19 cases cross the 4 million marks

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S.P. Balasubrahmanyam in 2011.

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S.P. Balasubrahmanyam. File.

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Liu Zongyi, a scholar at the Shanghai Institute of International Studies.

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Farmers shout slogans in Noida on September 25, 2020 as they ride tractors towards New Delhi.

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Labourers sort onions at Azadpur Mandi, a major market of the Agriculture Produce Marketing Committee, in New Delhi. File

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